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LanguageServers/Cpp: Support jumping to declaration of preprocessor
.. definitions.
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8 changed files with 43 additions and 10 deletions
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@ -135,6 +135,7 @@ void ClientConnection::handle(const Messages::LanguageServer::FindDeclaration& m
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dbgln("could not find declaration");
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return;
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}
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dbgln_if(LANGUAGE_SERVER_DEBUG, "declaration location: {} {}:{}", location.value().file, location.value().line, location.value().column);
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post_message(Messages::LanguageClient::DeclarationLocation(GUI::AutocompleteProvider::ProjectLocation { location.value().file, location.value().line, location.value().column }));
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}
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@ -343,10 +343,26 @@ Optional<GUI::AutocompleteProvider::ProjectLocation> ParserAutoComplete::find_de
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return {};
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}
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auto decl = find_declaration_of(document, *node);
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if (!decl)
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return {};
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if (decl)
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return GUI::AutocompleteProvider::ProjectLocation { decl->filename(), decl->start().line, decl->start().column };
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return GUI::AutocompleteProvider::ProjectLocation { decl->filename(), decl->start().line, decl->start().column };
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return find_preprocessor_definition(document, identifier_position);
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}
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Optional<GUI::AutocompleteProvider::ProjectLocation> ParserAutoComplete::find_preprocessor_definition(const DocumentData& document, const GUI::TextPosition& text_position)
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{
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Position cpp_position { text_position.line(), text_position.column() };
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// Search for a replaced preprocessor token that intersects with text_position
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for (auto& replaced_token : document.parser().replaced_preprocessor_tokens()) {
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if (replaced_token.token.start() > cpp_position)
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continue;
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if (replaced_token.token.end() < cpp_position)
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continue;
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return GUI::AutocompleteProvider::ProjectLocation { replaced_token.preprocessor_value.filename, replaced_token.preprocessor_value.line, replaced_token.preprocessor_value.column };
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}
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return {};
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}
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RefPtr<Declaration> ParserAutoComplete::find_declaration_of(const DocumentData& document_data, const ASTNode& node) const
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@ -409,7 +425,7 @@ OwnPtr<ParserAutoComplete::DocumentData> ParserAutoComplete::create_document_dat
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auto document_data = make<DocumentData>();
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document_data->m_filename = move(filename);
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document_data->m_text = move(text);
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document_data->m_preprocessor = make<Preprocessor>(document_data->text());
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document_data->m_preprocessor = make<Preprocessor>(document_data->m_filename, document_data->text());
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document_data->preprocessor().process();
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Preprocessor::Definitions all_definitions;
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@ -106,6 +106,7 @@ private:
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String document_path_from_include_path(const StringView& include_path) const;
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void update_declared_symbols(const DocumentData&);
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GUI::AutocompleteProvider::DeclarationType type_of_declaration(const Declaration&);
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Optional<GUI::AutocompleteProvider::ProjectLocation> find_preprocessor_definition(const DocumentData&, const GUI::TextPosition&);
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OwnPtr<DocumentData> create_document_data(String&& text, const String& filename);
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